Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

[linux-2.6-omap-h63xx.git] / net / mac80211 / wext.c

diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index c2e2378af0827a224993c27e8e012c584045c817..4806d96b9877f353f004a7a39d837ad6feacd176 100644 (file)
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -302,14 +302,22 @@ static int ieee80211_ioctl_giwmode(struct net_device *dev,
        return 0;
 }
 
-int ieee80211_set_freq(struct ieee80211_local *local, int freqMHz)
+int ieee80211_set_freq(struct net_device *dev, int freqMHz)
 {
        int ret = -EINVAL;
        struct ieee80211_channel *chan;
+       struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+       struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
        chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
 
        if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
+               if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
+                   chan->flags & IEEE80211_CHAN_NO_IBSS) {
+                       printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
+                               "%d MHz\n", dev->name, chan->center_freq);
+                       return ret;
+               }
                local->oper_channel = chan;
 
                if (local->sta_sw_scanning || local->sta_hw_scanning)
@@ -327,7 +335,6 @@ static int ieee80211_ioctl_siwfreq(struct net_device *dev,
                                   struct iw_request_info *info,
                                   struct iw_freq *freq, char *extra)
 {
-       struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
        if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
@@ -341,14 +348,14 @@ static int ieee80211_ioctl_siwfreq(struct net_device *dev,
                                        IEEE80211_STA_AUTO_CHANNEL_SEL;
                        return 0;
                } else
-                       return ieee80211_set_freq(local,
+                       return ieee80211_set_freq(dev,
                                ieee80211_channel_to_frequency(freq->m));
        } else {
                int i, div = 1000000;
                for (i = 0; i < freq->e; i++)
                        div /= 10;
                if (div > 0)
-                       return ieee80211_set_freq(local, freq->m / div);
+                       return ieee80211_set_freq(dev, freq->m / div);
                else
                        return -EINVAL;
        }
@@ -501,9 +508,14 @@ static int ieee80211_ioctl_giwap(struct net_device *dev,
        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
            sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
-               ap_addr->sa_family = ARPHRD_ETHER;
-               memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
-               return 0;
+               if (sdata->u.sta.state == IEEE80211_ASSOCIATED) {
+                       ap_addr->sa_family = ARPHRD_ETHER;
+                       memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
+                       return 0;
+               } else {
+                       memset(&ap_addr->sa_data, 0, ETH_ALEN);
+                       return 0;
+               }
        } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
                ap_addr->sa_family = ARPHRD_ETHER;
                memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);